ST485ECDR

ST485ECDR Specifications

Manufacturer: STMicroelectronics
Part Number: ST485ECDR
Product Type: Low Power RS-485/RS-422 Transceiver
Number of Drivers/Receivers: 1 Driver / 1 Receiver
Duplex: Half
Data Rate: 5 Mbps
Supply Voltage Range: 4.75 V to 5.25 V
Supply Current: 300 µA (typical)
Receiver Input Voltage Range: -7 V to +12 V
Driver Output Voltage Range: -7 V to +12 V
ESD Protection: ±15 kV (HBM), ±8 kV (IEC-1000-4-2 contact discharge)
Propagation Delay: 30 ns
Receiver Hysteresis: 70 mV (typical)
Package / Case: 8-SOIC
Mounting Type: Surface Mount
Operating Temperature Range: 0°C to +70°C
RoHS Status: RoHS Compliant

Key Features

The ST485ECDR is a low-power transceiver designed for RS-485 and RS-422 communication applications. It features a single driver and receiver in a half-duplex configuration, supporting data rates up to 5 Mbps. The device operates within a supply voltage range of 4.75 V to 5.25 V and has a typical supply current of 300 µA, making it suitable for power-sensitive applications. The receiver input and driver output voltage ranges from -7 V to +12 V, accommodating a wide common-mode voltage range. Enhanced electrostatic discharge (ESD) protection of ±15 kV (HBM) and ±8 kV (IEC-1000-4-2 contact discharge) ensures robust performance in harsh environments. The transceiver exhibits a propagation delay of 30 ns and typical receiver hysteresis of 70 mV, contributing to reliable data transmission. Packaged in an 8-SOIC case, the ST485ECDR supports surface-mount technology, facilitating compact and efficient PCB layouts.

Applications

RS-485/RS-422 communication systems
Industrial automation
Building automation
Point-of-sale (POS) terminals
Local area networks (LANs)
Data acquisition systems

Product Overview

The ST485ECDR from STMicroelectronics is engineered for reliable bi-directional data communication on multipoint bus transmission lines in half-duplex applications. Its low quiescent current of 300 µA makes it ideal for low-power systems. The device’s wide common-mode voltage range and robust ESD protection enhance its suitability for industrial and commercial environments. With a data rate capability of up to 5 Mbps and a propagation delay of 30 ns, the ST485ECDR ensures efficient and timely data transmission. Its surface-mount 8-SOIC package allows for streamlined integration into various electronic designs. Compliance with RoHS standards underscores its adherence to environmental and safety regulations.

Contact Us

For additional information regarding our products, feel free to get in touch with us. You can call us at 770-870-1760 or email us at info@Cyndtek.com. We look forward to assisting you and ensuring your satisfaction with all of our Cyndtek products.